Chile

Chilean riot police members stand next to a bus burnt by students during a protest to demand President Sebastian Pinera's government to improve public education quality in Santiago, on August 8, 2012.

Chilean riot police members stand next to a bus burnt by students during a protest to demand President Sebastian Pinera's government to improve public education quality in Santiago, on August 8, 2012. (AFP PHOTO/Claudio SANTANACLAUDIO SANTANA/AFP/GettyImages)

Chilean riot police members stand next to a bus burnt by students during a protest to demand President Sebastian Pinera's government to improve public education quality in Santiago, on August 8, 2012.